Sample code
#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
void myoperation(char opr);
int num1, num2;
char opr;
cout << "Enter two integers: ";
cin >> num1 >> num2;
cout << endl;
cout << "Enter operator: + (addition), - (subtraction)," << " * (multiplication), /...